/* =============================================
   EXECUTIVE ONBOARDING CASE STUDY - ENHANCED
   Modern UX/UI Portfolio Styling
   ============================================= */

/* =============================================
   CSS VARIABLES & DESIGN TOKENS
   ============================================= */
:root {
  /* Colors - Black & White Theme */
  --color-primary: #000000;
  --color-primary-dark: #000000;
  --color-primary-light: #333333;
  --color-secondary: #1a1a1a;
  --color-accent: #000000;
  --color-warning: #000000;
  --color-error: #000000;
  
  /* Neutrals */
  --color-bg: #ffffff;
  --color-bg-secondary: #f8f8f8;
  --color-bg-tertiary: #f0f0f0;
  --color-border: #e0e0e0;
  --color-border-light: #f0f0f0;
  
  /* Text Colors */
  --color-text-primary: #000000;
  --color-text-secondary: #4a4a4a;
  --color-text-tertiary: #6a6a6a;
  
  /* Typography */
  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Layout */
  --max-width: 1200px;
  --nav-height: 80px;
}

/* =============================================
   RESET & BASE STYLES
   ============================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--space-lg);
  color: var(--color-text-secondary);
}

.lead-paragraph {
  font-size: var(--font-size-lg);
  font-weight: 500;
  line-height: 1.7;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xl);
}

.section-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  margin-left: var(--space-xl);
  margin-bottom: var(--space-lg);
}

li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

strong {
  font-weight: 600;
  color: var(--color-text-primary);
}

/* SVG Icons */
svg {
  display: inline-block;
  vertical-align: middle;
}

.info-icon svg,
.method-icon svg,
.principle-icon svg,
.feature-icon svg,
.result-icon svg,
.stat-icon svg,
.improvement-icon svg,
.finding-icon svg,
.callout-icon svg {
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* =============================================
   ACCESSIBILITY
   ============================================= */
.skip-to-main {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--space-md) var(--space-lg);
  z-index: 10000;
  transition: top var(--transition-fast);
}

.skip-to-main:focus {
  top: 0;
}
    /* NAVIGATION */
    .navigation {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      background-color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      z-index: 1000;
      padding: 1.5rem 0;
      border-bottom: 1px solid #e5e5e5;
    }
    
    .nav-container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 3rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    
    .logo-section {
      display: flex;
      flex-direction: column;
    }
    
    .logo {
      font-size: 1.25rem;
      font-weight: 700;
      color: #000;
      letter-spacing: -0.02em;
    }
    
    .logo:hover {
      opacity: 0.7;
    }
    
    .subtitle {
      font-size: 0.875rem;
      font-weight: 400;
      color: #666;
      margin-top: 0.125rem;
    }
    
    .nav-links {
      display: flex;
      gap: 2rem;
      align-items: center;
    }
    
    .nav-link {
      font-size: 1rem;
      font-weight: 500;
      position: relative;
      padding-bottom: 2px;
    }
    
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: #000;
      transition: width 0.3s ease;
    }
    
    .nav-link:hover::after {
      width: 100%;
    }
    
    .nav-link:hover {
      opacity: 0.6;
    }

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  z-index: 999;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu-link {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-text-primary);
}

/* =============================================
   READING PROGRESS
   ============================================= */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: #000000;
  z-index: 10001;
  transition: width var(--transition-fast);
}

/* =============================================
   TABLE OF CONTENTS
   ============================================= */
.toc-container {
  position: fixed;
  left: var(--space-xl);
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  max-width: 220px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

@media (min-width: 1400px) {
  .toc-container {
    opacity: 1;
    pointer-events: auto;
  }
}

.toc-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-md);
}

.toc-list {
  list-style: none;
  margin: 0;
}

.toc-item {
  margin-bottom: var(--space-sm);
}

.toc-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  display: block;
  padding: var(--space-xs) 0;
  border-left: 2px solid transparent;
  padding-left: var(--space-md);
  margin-left: -var(--space-md);
  transition: all var(--transition-fast);
}

.toc-link:hover {
  color: var(--color-primary);
  border-left-color: var(--color-border);
}

.toc-link.active {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  font-weight: 600;
}

/* =============================================
   BACK TO TOP BUTTON
   ============================================= */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  border: none;
  font-size: var(--font-size-xl);
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero-banner {
  position: relative;
  height: 90vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #ffffff 0%, #f5f5f5 100%);
  margin-top: var(--nav-height);
}

.hero-screens-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  padding: var(--space-3xl);
  opacity: 0.3;
}

.hero-screen {
  flex: 1;
  max-width: 480px;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-slow);
  will-change: transform;
}

.hero-screen.screen-1 {
  transform: translateY(-20px) rotate(-2deg);
}

.hero-screen.screen-2 {
  transform: scale(1.1);
}

.hero-screen.screen-3 {
  transform: translateY(-20px) rotate(2deg);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 var(--space-xl);
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: 800;
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
  line-height: 1.1;
  animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  font-weight: 400;
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  animation: fadeInUp 0.8s ease 0.4s backwards, bounce 2s ease-in-out 1s infinite;
}

.hero-scroll-indicator svg {
  width: 20px;
  height: 20px;
}

/* =============================================
   MAIN CONTENT CONTAINER
   ============================================= */
.case-study-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-xl);
}

.content-section {
  margin-bottom: var(--space-4xl);
  opacity: 1;
  transform: translateY(0);
  transition: all 0.6s ease;
}

.content-section.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  margin: var(--space-4xl) 0;
}

.crisis-divider {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-error), transparent);
}

/* =============================================
   IMPACT-FIRST SECTION
   ============================================= */
.impact-first {
  background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-4xl);
  margin-bottom: var(--space-4xl);
  border: 2px solid #e0e0e0;
}

.impact-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.impact-headline {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-xl);
  color: var(--color-text-primary);
}

.impact-description {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3xl);
}

.impact-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.impact-metric {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.impact-metric:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.metric-visual {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.metric-number {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.metric-change {
  font-size: var(--font-size-3xl);
  color: var(--color-accent);
}

.metric-label {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.metric-detail {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* =============================================
   PROJECT INFO SECTION
   ============================================= */
.project-info-section {
  margin-bottom: var(--space-4xl);
}

.project-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.info-card {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.info-card:hover {
  background: white;
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.info-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

.info-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-sm);
}

.info-value {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  line-height: 1.6;
}

/* =============================================
   TIMELINE
   ============================================= */
.timeline-section {
  margin-bottom: var(--space-4xl);
}

.timeline-interactive {
  position: relative;
  padding: var(--space-2xl) 0;
}

.timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
  cursor: pointer;
  transition: all var(--transition-base);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item:hover {
  transform: translateX(4px);
}

.timeline-item.hovered .timeline-dot {
  transform: scale(1.2);
  background: var(--color-primary);
}

.timeline-item.hovered .timeline-number {
  color: white;
}

.timeline-dot {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: white;
  border: 3px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-base);
  z-index: 2;
}

.timeline-dot.crisis {
  border-color: #666666;
  animation: pulse 2s ease-in-out infinite;
}

.timeline-number {
  font-weight: 700;
  color: var(--color-primary);
}

.timeline-content {
  flex: 1;
  padding-top: var(--space-xs);
}

.timeline-phase {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.timeline-duration {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.timeline-details {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* =============================================
   CALLOUT BOXES
   ============================================= */
.callout-box {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  margin: var(--space-2xl) 0;
  border-left: 4px solid;
}

.callout-box.problem-statement {
  background: #fafafa;
  border-left-color: #000000;
}

.callout-box.warning {
  background: #f5f5f5;
  border-left-color: #666666;
}

.callout-box.success {
  background: #fafafa;
  border-left-color: #000000;
}

.callout-box.crisis-box {
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  border-left-color: #666666;
}

.callout-icon {
  font-size: var(--font-size-3xl);
  flex-shrink: 0;
}

.callout-content h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
}

.callout-content p {
  margin-bottom: 0;
  color: var(--color-text-primary);
}

/* =============================================
   RESEARCH METHODS
   ============================================= */
.research-methods {
  margin: var(--space-3xl) 0;
}

.methods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
}

.method-card {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.method-card:hover {
  background: white;
  border-color: var(--color-primary-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.method-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-md);
}

.method-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.method-detail {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* =============================================
   PAIN POINTS
   ============================================= */
.pain-points-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.pain-point {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border-left: 4px solid #000000;
  transition: all var(--transition-base);
}

.pain-point:hover {
  background: white;
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.pain-point-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-border);
  flex-shrink: 0;
  line-height: 1;
}

.pain-point-content h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.pain-point-content p {
  margin-bottom: 0;
  color: var(--color-text-secondary);
}

.user-quote {
  font-style: italic;
  color: var(--color-text-primary);
  font-weight: 500;
}

/* =============================================
   RESEARCH STATS
   ============================================= */
.research-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-3xl) 0;
}

.research-stat {
  text-align: center;
  padding: var(--space-xl);
  background: #000000;
  border-radius: var(--radius-lg);
  color: white;
}

.stat-number {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1;
  margin-bottom: var(--space-md);
}

.stat-label {
  font-size: var(--font-size-sm);
  line-height: 1.4;
  opacity: 0.9;
}

/* =============================================
   INSIGHT CARDS
   ============================================= */
.insight-card {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: white;
  border: 2px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  transition: all var(--transition-base);
}

.insight-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.insight-number {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: #000000;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 800;
  flex-shrink: 0;
}

.insight-content h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.insight-content p {
  margin-bottom: 0;
}

/* =============================================
   DESIGN PRINCIPLES
   ============================================= */
.design-principles-section {
  margin: var(--space-3xl) 0;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.principle-card {
  background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
  border: 2px solid #e0e0e0;
}

.principle-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.principle-icon {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--space-lg);
}

.principle-card h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
}

.principle-card p {
  margin-bottom: 0;
  color: var(--color-text-secondary);
}

/* =============================================
   CONCEPT COMPARISON
   ============================================= */
.concepts-comparison {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-2xl) 0;
}

.concept-option {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border);
  position: relative;
  transition: all var(--transition-base);
}

.concept-option.selected {
  background: #f0f0f0;
  border-color: #000000;
}

.concept-option:not(.selected) {
  opacity: 0.7;
}

.concept-option:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.concept-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.concept-badge.selected {
  background: #000000;
  color: white;
}

.concept-badge.rejected {
  background: #666666;
  color: white;
}

.concept-option h4 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-md);
}

.concept-option p {
  margin-bottom: 0;
  font-size: var(--font-size-sm);
}

/* =============================================
   DESIGN PROCESS FLOW
   ============================================= */
.design-process-flow {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
  margin: var(--space-3xl) 0;
}

.process-phase {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  border-left: 4px solid var(--color-primary);
}

.phase-header {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.phase-number {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: #000000;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: 800;
  flex-shrink: 0;
}

.phase-header h3 {
  margin-bottom: 0;
}

.process-artifact {
  margin-top: var(--space-xl);
}

.artifact-placeholder {
  background: white;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl);
  text-align: center;
  transition: all var(--transition-base);
}

.artifact-placeholder:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-tertiary);
}

.artifact-icon {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.artifact-label {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.artifact-detail {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* =============================================
   WORKFLOW PREVIEW
   ============================================= */
.workflow-preview {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin: var(--space-2xl) 0;
  padding: var(--space-2xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  overflow-x: auto;
}

.workflow-step-preview {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  min-width: 180px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.workflow-step-preview:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.workflow-step-preview .step-number {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  margin: 0 auto var(--space-md);
}

.workflow-step-preview h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-sm);
}

.workflow-step-preview p {
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

.workflow-arrow {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  flex-shrink: 0;
}

/* =============================================
   BEFORE/AFTER COMPARISON
   ============================================= */
.before-after-section {
  margin: var(--space-3xl) 0;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.comparison-item {
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  position: relative;
}

.comparison-item.before {
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  border: 2px solid #cccccc;
}

.comparison-item.after {
  background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
  border: 2px solid #000000;
}

.comparison-label {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: white;
}

.comparison-item.before .comparison-label {
  color: #666666;
}

.comparison-item.after .comparison-label {
  color: #000000;
}

.comparison-content {
  margin-top: var(--space-xl);
}

.comparison-content ul {
  margin-left: 0;
  list-style-position: inside;
}

/* =============================================
   TESTING SECTION
   ============================================= */
.testing-overview {
  margin-bottom: var(--space-3xl);
}

.testing-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.testing-stat {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  border: 2px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.testing-stat:hover {
  background: white;
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-md);
}

.stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.findings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.finding {
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border-left: 4px solid;
}

.finding.positive {
  background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
  border-left-color: #000000;
}

.finding.critical {
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  border-left-color: #666666;
}

.finding-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

.finding h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.finding p {
  margin-bottom: 0;
}

/* =============================================
   CRISIS SECTION
   ============================================= */
.crisis-section {
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-4xl);
  margin: var(--space-4xl) 0;
  border: 2px solid #cccccc;
}

.crisis-label {
  color: #000000 !important;
}

.crisis-timeline {
  margin: var(--space-3xl) 0;
}

.crisis-event {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  margin-bottom: var(--space-xl);
  border-left: 4px solid #666666;
  transition: all var(--transition-base);
}

.crisis-event:hover {
  box-shadow: var(--shadow-lg);
  transform: translateX(4px);
}

.crisis-event.critical {
  background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
  border-left-color: #000000;
  border-left-width: 6px;
}

.crisis-date {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  color: #000000;
  margin-bottom: var(--space-md);
  letter-spacing: 0.05em;
}

.crisis-content h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
}

.crisis-content p {
  margin-bottom: 0;
}

/* =============================================
   STRATEGY CARDS
   ============================================= */
.strategy-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-3xl) 0;
}

.strategy-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border-top: 4px solid var(--color-primary);
}

.strategy-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.strategy-number {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: #000000;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 800;
  margin-bottom: var(--space-lg);
}

.strategy-content h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
}

.strategy-content p {
  margin-bottom: 0;
}

/* =============================================
   FEATURE SHOWCASE
   ============================================= */
.feature-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  margin: var(--space-3xl) 0;
  padding: var(--space-3xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
}

.feature-description ol {
  margin-left: var(--space-xl);
}

.feature-description li {
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
  font-weight: 500;
}

.feature-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-visual img {
  width: 100%;
  height: auto;
  border: 1px solid #e5e5e5;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* =============================================
   FEATURES GRID
   ============================================= */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin: var(--space-3xl) 0;
}

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 2px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-md);
}

.feature-card h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
}

.feature-card p {
  margin-bottom: 0;
  font-size: var(--font-size-sm);
}

/* =============================================
   INTERACTIVE WORKFLOW
   ============================================= */
.workflow-interactive {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin: var(--space-2xl) 0;
}

.workflow-step {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.workflow-step:hover {
  background: white;
  border-color: var(--color-primary-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.workflow-step.active {
  background: #000000;
  color: white;
  border-color: #000000;
}

.workflow-step.inactive {
  opacity: 0.5;
}

.step-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.workflow-step .step-number {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  flex-shrink: 0;
}

.workflow-step.active .step-number {
  background: white;
  color: var(--color-primary);
}

.step-header h4 {
  margin-bottom: 0;
  font-size: var(--font-size-base);
}

.workflow-step.active .step-header h4 {
  color: white;
}

.step-description {
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

.workflow-step.active .step-description {
  color: rgba(255, 255, 255, 0.9);
}

.workflow-details {
  display: none;
  margin-top: var(--space-xl);
  padding: var(--space-2xl);
  background: white;
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-primary);
  animation: slideDown 0.3s ease;
}

.workflow-details.active {
  display: block;
}

.screen-placeholder {
  margin-top: var(--space-xl);
  background: var(--color-bg-tertiary);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl);
  text-align: center;
}

/* =============================================
   DESIGN SYSTEM PREVIEW
   ============================================= */
.design-system-preview {
  margin: var(--space-4xl) 0;
  padding: var(--space-3xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
}

.components-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.component-item {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  border: 2px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.component-item:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.component-label {
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.component-item p {
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* =============================================
   RESULTS SECTION
   ============================================= */
.results-hero {
  text-align: center;
  padding: var(--space-3xl);
  background: #000000;
  border-radius: var(--radius-2xl);
  margin-bottom: var(--space-3xl);
}

.results-stat-large {
  color: white;
}

.stat-number-large {
  font-size: var(--font-size-6xl);
  font-weight: 900;
  line-height: 1;
  margin-bottom: var(--space-lg);
}

.stat-label-large {
  font-size: var(--font-size-xl);
  opacity: 0.95;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-3xl) 0;
}

.result-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  border: 2px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.result-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}

.result-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-lg);
}

.result-metric {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.result-label {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.result-detail {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* =============================================
   TESTIMONIALS
   ============================================= */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-3xl) 0;
}

.testimonial {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border-left: 4px solid var(--color-primary);
}

.testimonial-quote {
  font-size: var(--font-size-lg);
  font-style: italic;
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.testimonial-quote::before {
  content: '"';
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
  line-height: 0;
}

.testimonial-author {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
}

/* =============================================
   REFLECTION SECTION
   ============================================= */
.reflection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-3xl) 0;
}

.reflection-card {
  background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  border-top: 4px solid #000000;
  transition: all var(--transition-base);
}

.reflection-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.reflection-number {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: #000000;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: 800;
  margin-bottom: var(--space-lg);
}

.reflection-content h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
}

.reflection-content p {
  margin-bottom: 0;
}

/* =============================================
   IMPROVEMENTS & FUTURE FEATURES
   ============================================= */
.improvements-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin: var(--space-3xl) 0;
}

.improvement-item {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border-left: 4px solid #000000;
}

.improvement-icon {
  font-size: var(--font-size-3xl);
  flex-shrink: 0;
}

.improvement-content h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.improvement-content p {
  margin-bottom: 0;
}

.future-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-3xl) 0;
}

.future-feature {
  background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border-left: 4px solid #000000;
}

.future-feature h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
}

.future-feature p {
  margin-bottom: 0;
}

/* =============================================
   NAVIGATION LINKS
   ============================================= */
.next-project-cta {
  text-align: center;
  margin: var(--space-4xl) 0;
}

.back-link-prominent {
  display: inline-block;
  padding: var(--space-lg) var(--space-2xl);
  background: #000000;
  color: white;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-lg);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.back-link-prominent:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  background: #1a1a1a;
}

/* =============================================
   FOOTER
   ============================================= */
.cta-footer {
  background: #000000;
  color: white;
  padding: var(--space-4xl) var(--space-xl);
}

.cta-content {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-lg);
  color: white;
}

.cta-email {
  font-size: var(--font-size-2xl);
  color: white;
  font-weight: 600;
  transition: color var(--transition-fast);
  text-decoration: underline;
}

.cta-email:hover {
  color: #cccccc;
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3xl) 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2xl);
}

.footer-column h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-md);
  color: white;
}

.footer-link {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-sm);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: white;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0;
  font-size: var(--font-size-sm);
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
}

/* =============================================
   RESPONSIVE DESIGN
   ============================================= */
@media (max-width: 1024px) {
  .hero-title {
    font-size: var(--font-size-5xl);
  }
  
  .impact-headline {
    font-size: var(--font-size-3xl);
  }
  
  .feature-showcase {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --space-4xl: 3rem;
    --space-3xl: 2rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .case-study-container {
    padding: var(--space-2xl) var(--space-md);
  }
  
  .impact-first {
    padding: var(--space-2xl);
  }
  
  .impact-headline {
    font-size: var(--font-size-2xl);
  }
  
  .project-info-grid,
  .methods-grid,
  .features-grid,
  .results-grid,
  .reflection-grid {
    grid-template-columns: 1fr;
  }
  
  .workflow-preview {
    flex-direction: column;
  }
  
  .workflow-arrow {
    transform: rotate(90deg);
  }
  
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  
  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .stat-number-large {
    font-size: var(--font-size-5xl);
  }
  
  .result-metric {
    font-size: var(--font-size-3xl);
  }
  
  .metric-number {
    font-size: var(--font-size-4xl);
  }
}

/* =============================================
   PRINT STYLES
   ============================================= */
@media print {
  .navigation,
  .toc-container,
  .back-to-top,
  .mobile-menu,
  .reading-progress,
  .hamburger,
  .cta-footer {
    display: none !important;
  }
  
  .hero-banner {
    margin-top: 0;
    height: auto;
    min-height: auto;
    page-break-after: always;
  }
  
  .content-section {
    opacity: 1 !important;
    transform: none !important;
    page-break-inside: avoid;
  }
  
  body {
    background: white;
  }
}

/* =============================================
   CONTENT AUDIT SECTION
   ============================================= */
.content-audit-section {
  margin: var(--space-4xl) 0;
}

.audit-visuals {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-3xl) 0;
}

.audit-image-container {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 2px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.audit-image-container:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.audit-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  display: block;
}

.image-caption {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: 0;
  line-height: 1.4;
}

/* Audit Summary Stats */
.audit-summary {
  margin-top: var(--space-3xl);
  padding: var(--space-3xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
}

.audit-summary h4 {
  text-align: center;
  margin-bottom: var(--space-2xl);
  font-size: var(--font-size-2xl);
}

.audit-stats-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.audit-stat-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  min-width: 240px;
  border: 2px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.audit-stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.audit-stat-card.highlight {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
}

.audit-stat-number {
  font-size: var(--font-size-6xl);
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.audit-stat-label {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.audit-stat-detail {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.audit-arrow {
  font-size: var(--font-size-4xl);
  color: var(--color-primary);
  font-weight: 700;
}

/* =============================================
   RESEARCH SYNTHESIS SECTION
   ============================================= */
.research-synthesis-section {
  margin: var(--space-4xl) 0;
}

/* Enhanced Pain Points with Quotes */
.pain-point-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.pain-point-icon {
  font-size: var(--font-size-4xl);
  flex-shrink: 0;
  line-height: 1;
}

.pain-point-header h4 {
  margin-bottom: 0;
  font-size: var(--font-size-xl);
}

.pain-point-content {
  margin-left: calc(var(--font-size-4xl) + var(--space-md));
}

.pain-point-quotes {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.user-quote {
  background: white;
  border-left: 3px solid var(--color-primary);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  margin: 0;
  transition: all var(--transition-base);
}

.user-quote:hover {
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.user-quote p {
  font-style: italic;
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.user-quote cite {
  font-style: normal;
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  font-weight: 600;
}

.pain-point-insight {
  background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.pain-point-insight strong {
  color: var(--color-primary);
  font-weight: 700;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .audit-stats-grid {
    flex-direction: column;
  }
  
  .audit-arrow {
    transform: rotate(90deg);
  }
  
  .pain-point-content {
    margin-left: 0;
  }
  
  .pain-point-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* =============================================
   PROCESS MAPPING ARTIFACT
   ============================================= */
.process-mapping-artifact {
  margin: var(--space-4xl) 0;
  padding: var(--space-3xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
}

.process-mapping-artifact h4 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-md);
  text-align: center;
}

.artifact-description {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3xl);
  font-size: var(--font-size-base);
}

/* Process Flow Container */
.process-flow-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

/* Process Step Cards */
.process-step {
  width: 100%;
  max-width: 700px;
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 2px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.process-step:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.process-step.pain-point-indicator {
  border-left: 4px solid #d32f2f;
}

.process-step-header {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

.process-step-number {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 800;
  flex-shrink: 0;
}

.process-step-info {
  flex: 1;
}

.process-step-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.process-step-owner {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.process-step-details p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.process-time {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.process-pain-point {
  background: #ffebee;
  border-left: 3px solid #d32f2f;
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.process-pain-point strong {
  color: #d32f2f;
}

/* Process Arrow */
.process-arrow {
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
  font-weight: 700;
  height: 40px;
  display: flex;
  align-items: center;
}

/* Total Time Summary */
.process-total-time {
  width: 100%;
  max-width: 700px;
  background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
  color: white;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  margin-top: var(--space-2xl);
}

.total-time-label {
  font-size: var(--font-size-base);
  opacity: 0.9;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.total-time-value {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  margin-bottom: var(--space-xs);
  line-height: 1;
}

.total-time-detail {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

/* Process Insights */
.process-insights {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 2px solid var(--color-border-light);
}

.process-insights h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xl);
  text-align: left;
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.insight-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.insight-icon {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: var(--space-xs);
}

.insight-icon svg {
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
}

.insight-item p {
  font-size: var(--font-size-sm);
  line-height: 1.5;
  margin-bottom: 0;
  color: var(--color-text-secondary);
}

.insight-item strong {
  color: var(--color-text-primary);
  font-weight: 700;
}

/* Responsive Design */
@media (max-width: 768px) {
  .process-mapping-artifact {
    padding: var(--space-2xl) var(--space-lg);
  }
  
  .process-step {
    padding: var(--space-lg);
  }
  
  .process-step-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .process-arrow {
    height: 30px;
  }
  
  .total-time-value {
    font-size: var(--font-size-4xl);
  }
  
  .insights-grid {
    grid-template-columns: 1fr;
  }
}

/* =============================================
   CLICKABLE IMAGE LIGHTBOX
   ============================================= */
.clickable-image {
  position: relative;
  cursor: pointer;
}

.clickable-image:hover .audit-image {
  opacity: 0.8;
}

/* Lightbox Modal */
.image-lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  align-items: center;
  justify-content: center;
}

.image-lightbox.active {
  display: flex;
}

.lightbox-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  cursor: pointer;
}

.lightbox-content {
  position: relative;
  max-width: 95vw;
  max-height: 95vh;
  z-index: 10001;
  animation: fadeInUp 0.3s ease;
}

.lightbox-image {
  max-width: 100%;
  max-height: 95vh;
  width: auto;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
}

.lightbox-close {
  position: absolute;
  top: -50px;
  right: 0;
  background: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-3xl);
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-md);
}

.lightbox-close:hover {
  background: var(--color-primary);
  color: white;
  transform: scale(1.1);
}

@media (max-width: 768px) {
  .lightbox-close {
    top: 10px;
    right: 10px;
  }
  
  .lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
  }
}

/* =============================================
   DESIGN PROCESS SECTION - COMPLETE STYLING
   ============================================= */

/* Process Artifact Section */
.process-artifact-section {
  margin-top: var(--space-2xl);
}

.process-artifact-section h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xl);
  text-align: center;
}

/* Artifact Images Grid */
.artifact-images-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.artifact-image-container {
  position: relative;
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  border: 2px solid var(--color-border-light);
  transition: all var(--transition-base);
  cursor: pointer;
}

.artifact-image-container:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.artifact-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
  margin-bottom: var(--space-sm);
}

.artifact-caption {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: 0;
}

/* IA Decision Summary */
.ia-decision-summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  margin: var(--space-3xl) 0;
  padding: var(--space-2xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}

.ia-stat {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  min-width: 200px;
  border: 2px solid var(--color-border-light);
}

.ia-stat.highlight {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
}

.ia-stat-number {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.ia-stat-label {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.ia-stat p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.ia-arrow {
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
  font-weight: 700;
}

.ia-rationale {
  background: white;
  padding: var(--space-lg);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  margin-top: var(--space-xl);
}

/* Wireframes Grid */
.wireframes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-3xl) 0;
}

.wireframe-container {
  position: relative;
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 2px solid var(--color-border-light);
  transition: all var(--transition-base);
  cursor: pointer;
}

.wireframe-container:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.wireframe-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
  margin-bottom: var(--space-md);
  border: 1px solid var(--color-border-light);
}

.wireframe-caption {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: 0;
}

/* Design Decisions */
.design-decisions {
  margin-top: var(--space-3xl);
  padding: var(--space-2xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
}

.design-decisions h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xl);
}

.decision-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.decision-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
}

.decision-icon {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: var(--space-xs);
}

.decision-item p {
  margin-bottom: 0;
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* High-Fidelity Mockups Grid */
.hifi-mockups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-3xl) 0;
}

.hifi-container {
  position: relative;
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 2px solid var(--color-border-light);
  transition: all var(--transition-base);
  cursor: pointer;
}

.hifi-container:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.hifi-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-sm);
}

.hifi-caption {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: 0;
}

/* Design Evolution */
.design-evolution {
  margin-top: var(--space-3xl);
  padding: var(--space-2xl);
  background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border);
}

.design-evolution h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xl);
}

.evolution-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.evolution-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
}

.evolution-label {
  background: var(--color-primary);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  flex-shrink: 0;
  align-self: flex-start;
  margin-top: var(--space-xs);
}

.evolution-item p {
  margin-bottom: 0;
  font-size: var(--font-size-sm);
  line-height: 1.6;
  flex: 1;
}

/* Design Constraints Callout */
.design-constraints-callout {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-2xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
  margin-top: var(--space-3xl);
}

.design-constraints-callout .callout-icon {
  color: var(--color-primary);
  flex-shrink: 0;
}

.design-constraints-callout h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
}

.design-constraints-callout p {
  margin-bottom: 0;
  line-height: 1.6;
}

/* Critical Discovery Section - Black & White Theme */
.critical-discovery {
  background: #ffffff;
  border: 2px solid #000000;
  border-radius: 8px;
  padding: clamp(2rem, 5vw, 3rem);
  margin: 3rem 0;
}

/* Header */
.discovery-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #e5e5e5;
}

.discovery-icon {
  color: #000000;
  flex-shrink: 0;
}

.discovery-icon svg {
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
}

.discovery-header h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: #000000;
  margin: 0;
  line-height: 1.3;
}

/* Content */
.discovery-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.lead-paragraph {
  font-size: 1.125rem;
  color: #1a1a1a;
  margin: 0;
}

/* Quote */
.discovery-quote {
  border-left: 4px solid #000000;
  background: #fafafa;
  padding: 1.5rem 1.5rem 1.5rem 2rem;
  margin: 0;
  font-style: italic;
  font-size: 1.125rem;
  color: #1a1a1a;
}

/* Timeline */
.discovery-timeline {
  position: relative;
  padding-left: 3rem;
  margin: 1rem 0;
}

.discovery-timeline::before {
  content: '';
  position: absolute;
  left: 1.125rem;
  top: 2.5rem;
  bottom: 2.5rem;
  width: 2px;
  background: #000000;
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -3rem;
  top: 1.5rem; /* Changed from 0 to 0.125rem */
  width: 2.5rem;
  height: 2.5rem;
  border: 2px solid #000000;
  border-radius: 50%;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #000000;
  z-index: 1;
}

/* Critical item (step 3) */
.timeline-item.critical .timeline-marker {
  background: #000000;
  color: #ffffff;
}

.timeline-item.critical .timeline-content {
  background: #f5f5f5;
  border: 2px solid #000000;
  padding: 1.5rem;
  border-radius: 6px;
}

.timeline-content h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #000000;
  margin: 0 0 0.75rem 0;
}

.timeline-content p {
  margin: 0;
  color: #1a1a1a;
  line-height: 1.6;
}

/* Impact Section */
.discovery-impact {
  background: #fafafa;
  border: 1px solid #e5e5e5;
  border-radius: 6px;
  padding: 2rem;
}

.discovery-impact h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #000000;
  margin: 0 0 1rem 0;
}

.discovery-impact ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.discovery-impact li {
  position: relative;
  padding-left: 2rem;
  color: #1a1a1a;
  line-height: 1.6;
}

.discovery-impact li::before {
  content: '→';
  position: absolute;
  left: 0;
  font-weight: 700;
  color: #000000;
}

/* Responsive */
@media (max-width: 768px) {
  .discovery-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .discovery-icon svg {
    width: 48px;
    height: 48px;
  }
  
  .discovery-timeline {
    padding-left: 2.5rem;
  }
  
  .timeline-marker {
    left: -2.5rem;
    width: 2rem;
    height: 2rem;
    font-size: 0.875rem;
  }
  
  .discovery-timeline::before {
    left: 0.875rem;
  }
}




/* =============================================
   TESTING SECTION - AUTHENTIC UAT
   ============================================= */

/* Findings Grid */
.finding {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 2px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.finding:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.finding.positive {
  border-left: 4px solid var(--color-primary);
}

.finding.neutral {
  border-left: 4px solid var(--color-primary);
}

.finding.issue {
  border-left: 4px solid #000000;
}

.finding.critical {
  border-left: 4px solid #d32f2f;
}

.finding-icon {
  margin-bottom: var(--space-md);
}

.finding.positive .finding-icon {
  color: var(--color-primary);
}

.finding.neutral .finding-icon {
  color: var(--color-primary);
}

.finding.issue .finding-icon {
  color: #000000;
}

.finding.critical .finding-icon {
  color: #d32f2f;
}

.finding h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.finding p {
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.finding-detail {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.finding-detail strong {
  color: var(--color-text-primary);
  display: block;
  margin-bottom: var(--space-xs);
}

/* Response Section */
.response-section {
  margin-top: var(--space-4xl);
  padding: var(--space-3xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  border: 2px solid var(--color-border);
}

.response-section h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-lg);
}

.pivot-preview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-2xl) 0;
}

.pivot-card {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.pivot-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.pivot-card h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.pivot-card p {
  font-size: var(--font-size-base);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.pivot-detail {
  background: var(--color-bg-tertiary);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.pivot-detail strong {
  color: var(--color-text-primary);
}

.transition-text {
  font-size: var(--font-size-lg);
  text-align: center;
  margin-top: var(--space-2xl);
  font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
  .discovery-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .discovery-timeline {
    padding-left: 0;
  }
  
  .timeline-item {
    padding-left: 50px;
  }
  
  .timeline-marker {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-base);
  }
  
  .discovery-timeline::before {
    left: 15px;
  }
  
  .pivot-preview {
    grid-template-columns: 1fr;
  }
}
.workflow-details img {
  width: 100%;
  height: auto;
  border: 1px solid #e5e5e5;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin-top: var(--space-lg);
}

/* ================================
   PROTOTYPE
   ================================ */
/* PROTOTYPE SECTION - Exact from live site */
    .prototype-section {
      background: #f8f9fa;
      border-radius: 12px;
      padding: 2rem;
      margin-bottom: 3rem;
      border: 1px solid #e9ecef;
    }
    
    .prototype-container {
      position: relative;
      width: 100%;
      max-width: 1440px; /* Don't exceed original width */
      height: 0;
      padding-bottom: 75%;
      background: white;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
      margin: 0 auto; /* Center the container */
    }
    
    .prototype-container iframe {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      border: none;
      border-radius: 12px;
    }

/* ============================================ */
/* PHASE 03 TRANSFORMATION SECTION STYLES */
/* Add these styles to your existing CSS file */
/* ============================================ */

/* Innovation Highlight Section */
.innovation-highlight-section {
  background: linear-gradient(135deg, #f8f9ff 0%, #fff 100%);
  border: 2px solid #e8eaf6;
  border-radius: 16px;
  padding: 48px;
  margin: 60px 0;
  position: relative;
}

.innovation-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #000000;
  color: white;
  padding: 8px 16px;
  border-radius: 24px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}

.innovation-highlight-section h4 {
  font-size: 2rem;
  font-weight: 800;
  color: #000;
  margin-bottom: 32px;
}

.innovation-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.innovation-explanation h5 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #000;
  margin-bottom: 16px;
  margin-top: 32px;
}

.innovation-explanation h5:first-of-type {
  margin-top: 0;
}

.innovation-problem-box {
  background: #f8f8f8;
  border-left: 4px solid #000000;
  padding: 24px;
  margin-top: 24px;
  border-radius: 8px;
}

.innovation-problem-box strong {
  display: block;
  font-weight: 700;
  margin-bottom: 12px;
  color: #000000;
}

.innovation-problem-box ul {
  margin: 0;
  padding-left: 20px;
}

.innovation-problem-box li {
  margin-bottom: 8px;
  color: #2c2c2c;
}

.innovation-image-container {
  position: relative;
}

.innovation-image {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  border: 1px solid #e0e0e0;
}

.innovation-caption {
  text-align: center;
  margin-top: 16px;
  font-size: 0.875rem;
  color: #6a6a6a;
  font-style: italic;
}

.innovation-solution {
  margin-top: 48px;
}

.innovation-solution h5 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #000;
  margin-bottom: 32px;
}

.innovation-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.innovation-feature {
  background: white;
  padding: 32px;
  border-radius: 12px;
  border: 2px solid #e8eaf6;
  transition: all 0.3s ease;
}

.innovation-feature:hover {
  border-color: #000000;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: #000000;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon svg {
  stroke: white;
}

.innovation-feature h6 {
  font-size: 1.125rem;
  font-weight: 700;
  color: #000;
  margin-bottom: 12px;
}

.innovation-feature p {
  font-size: 0.9375rem;
  color: #4a4a4a;
  line-height: 1.6;
  margin: 0;
}

.innovation-impact {
  background: #f0f0f0;
  border-left: 4px solid #333333;
  padding: 24px;
  border-radius: 8px;
}

.innovation-impact h5 {
  font-size: 1.125rem;
  font-weight: 700;
  color: #000000;
  margin-bottom: 12px;
}

.innovation-impact p {
  color: #2c2c2c;
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
}

/* Transformation Divider */
.transformation-divider {
  text-align: center;
  margin: 80px 0 60px 0;
  position: relative;
}

.transformation-divider::before,
.transformation-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #e0e0e0, transparent);
}

.transformation-divider::before {
  left: 0;
}

.transformation-divider::after {
  right: 0;
}

.transformation-divider span {
  background: white;
  padding: 0 32px;
  font-size: 1.125rem;
  font-weight: 700;
  color: #000000;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Before/After Comparison Section */
.before-after-comparison {
  background: white;
  border: 2px solid #e0e0e0;
  border-radius: 16px;
  padding: 48px;
  margin-bottom: 60px;
  position: relative;
}

.comparison-header {
  margin-bottom: 40px;
}

.comparison-header h4 {
  font-size: 1.75rem;
  font-weight: 800;
  color: #000;
  margin-bottom: 16px;
}

.consolidation-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #f0f0f0;
  color: #000000;
  padding: 8px 16px;
  border-radius: 24px;
  font-size: 0.875rem;
  font-weight: 600;
}

.consolidation-badge svg {
  stroke: #000000;
}

/* Vertical Stack Layout - Labels */
.comparison-label {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 20px;
  border-radius: 8px;
  text-align: center;
  display: block;
  width: fit-content;
  margin-left: 0;
  margin-right: auto;
  margin-bottom: 24px;
  margin-top: 32px;
  position: relative;
  z-index: 10;
}

.comparison-label:first-of-type {
  margin-top: 0;
}

.comparison-label.before {
  background: #f8f8f8;
  color: #000000;
  border: 2px solid #000000;
}

.comparison-label.after {
  background: #f0f0f0;
  color: #000000;
  border: 2px solid #333333;
}

/* Before Images - Horizontal Row Layout (for 2-3 images) */
.before-images-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.before-image-item {
  position: relative;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.before-image-item:hover {
  transform: translateY(-4px);
}

.before-image-item .comparison-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  display: block;
  margin-bottom: 12px;
}

.before-image-item .page-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: #6a6a6a;
  text-align: center;
}

/* Before Single Image Layout */
.before-image-single {
  position: relative;
  cursor: pointer;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  transition: transform 0.3s ease;
  display: block;
}

.before-image-single:hover {
  transform: translateY(-4px);
}

.before-image-single .comparison-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  display: block;
}

/* Down Arrow */
.comparison-arrow-down {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 0;
}

.comparison-arrow-down svg {
  stroke: #000000;
  opacity: 0.4;
}

/* After Image Container */
.after-image-container {
  position: relative;
  cursor: pointer;
  margin-bottom: 32px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  transition: transform 0.3s ease;
  display: block;
}

.after-image-container:hover {
  transform: translateY(-4px);
}

.after-image-container .comparison-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  display: block;
}

/* Clickable Image General Styling */
.clickable-image {
  position: relative;
  cursor: pointer;
  display: block;
}

/* Old Comparison Grid - Keep for backward compatibility but override */
.comparison-grid {
  display: block;
}

.comparison-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* Stacked Images (for consolidation examples) */
.before-images-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stacked-image-item {
  position: relative;
}

.page-label {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #6a6a6a;
  background: #f8f8f8;
  padding: 4px 12px;
  border-radius: 4px;
}

/* Comparison Arrow */
.comparison-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 0;
}

.comparison-arrow svg {
  stroke: #000000;
  opacity: 0.4;
}

/* Pain Points & Improvements Boxes */
.pain-points-box,
.improvements-box {
  padding: 24px;
  border-radius: 8px;
  border: 2px solid;
}

.pain-points-box {
  background: #f8f8f8;
  border-color: #000000;
}

.improvements-box {
  background: #f0f0f0;
  border-color: #333333;
}

.pain-points-box h5,
.improvements-box h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  margin-top: 0;
}

.pain-points-box h5 {
  color: #000000;
}

.improvements-box h5 {
  color: #000000;
}

.pain-points-box ul,
.improvements-box ul {
  margin: 0;
  padding-left: 20px;
}

.pain-points-box li {
  margin-bottom: 12px;
  color: #2c2c2c;
}

.improvements-box li {
  margin-bottom: 12px;
  color: #2c2c2c;
}

.pain-points-box li strong,
.improvements-box li strong {
  font-weight: 700;
}

/* Design Rationale Box */
.design-rationale-box {
  background: #fafafa;
  border: 2px solid #e0e0e0;
  border-radius: 12px;
  padding: 32px;
  margin-top: 40px;
}

.design-rationale-box h5 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #000000;
  margin-bottom: 16px;
  margin-top: 0;
}

.design-rationale-box p {
  font-size: 1rem;
  line-height: 1.7;
  color: #2c2c2c;
  margin-bottom: 16px;
}

.design-rationale-box p:last-of-type {
  margin-bottom: 0;
}

.design-rationale-box strong {
  font-weight: 700;
  color: #000;
}

/* Rationale Metrics */
.rationale-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 2px solid #e0e0e0;
}

.rationale-metric {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.metric-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: #000000;
  line-height: 1;
}

.metric-label {
  font-size: 0.875rem;
  color: #6a6a6a;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Hi-Fi Overview Section */
.hifi-overview-section {
  margin-top: 80px;
  padding-top: 60px;
  border-top: 2px solid #e0e0e0;
}

.hifi-overview-section h4 {
  font-size: 1.75rem;
  font-weight: 800;
  color: #000;
  margin-bottom: 16px;
}

.hifi-overview-section > p {
  font-size: 1.0625rem;
  color: #4a4a4a;
  margin-bottom: 40px;
  line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .innovation-content {
    grid-template-columns: 1fr;
  }
  
  .innovation-features-grid {
    grid-template-columns: 1fr;
  }
  
  .before-images-row {
    grid-template-columns: 1fr;
  }
  
  .rationale-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .innovation-highlight-section,
  .before-after-comparison {
    padding: 32px 24px;
  }
  
  .innovation-features-grid {
    gap: 24px;
  }
  
  .innovation-feature {
    padding: 24px;
  }
  
  .before-images-row {
    gap: 16px;
  }
  
  .design-rationale-box {
    padding: 24px;
  }
  
  .comparison-arrow-down {
    padding: 24px 0;
  }
  
  .comparison-arrow-down svg {
    width: 48px;
    height: 48px;
  }
  
  .hifi-overview-section {
    margin-top: 60px;
    padding-top: 40px;
  }
}

/* Print Styles */
@media print {
  .innovation-highlight-section,
  .before-after-comparison {
    page-break-inside: avoid;
    break-inside: avoid;
  }
  
  .comparison-arrow-down svg {
    stroke: #000;
  }
  
  .image-overlay {
    display: none;
  }
}